The subordinate clause here is A, "as the layers of ash slowly compressed". Subordinate means that it cannot exist on its own, it has to be a part of the main, independent clause.
Answer: B defiantly and I think D but I am not sure.
Explanation:
Hope this helps :)
Do skim reading where you briefly read through the document.
Answer:
An annual general meeting (AGM) is a yearly gathering of a company's interested shareholders. At an AGM, the directors of the company present an annual report containing information for shareholders about the company's performance and strategy.
Explanation: